Results 71 to 80 of about 25,566 (223)

Primary primitive neuroectodermal tumor of the kidney

Indian Journal of Pathology and Microbiology, 2018
Renal primitive neuroectodermal tumor (PNET) is a rare entity. It should be differentiated from other primary renal malignancies. The differentiation of the malignant small round cell tumors may be challenging; however, it is essential for better ...
Sunil Vitthalrao Jagtap, Pradnya Pandurang Kale, Anil Huddedar, Atul Bhanudas Hulwan, Swati S Jagtap   +4 more
doaj   +1 more source

NFIB Regulates Chemoresistance in Small Cell Lung Cancer by Suppressing Notch Signaling Activity

Cancer Reports, Volume 9, Issue 4, April 2026.
ABSTRACT Background Small cell lung cancer (SCLC) is an aggressive malignancy characterized by the rapid development of therapy resistance, the underlying mechanisms of which remain incompletely understood. The transcription factor NFIB is a recognized oncogene in SCLC, promoting tumor progression by regulating metastasis and proliferation.
Weixin Qin, Ziyan Wang, Shuzhe Deng, Huilei Qiu, Hongxue Meng, Jingshu Geng   +5 more
wiley   +1 more source

FNA diagnosis of CD99 positive neuroblastoma: A diagnostic dilemma

Journal of Cytology, 2012
Tissue diagnosis of small round cell tumors relies heavily on immunohistochemical staining. Two of the small round cell tumors, namely neuroblastoma and primitive neuroectodermal tumor, have considerable morphologic overlap.
Gagandeep Kaur, Pooja Bakshi, Kusum Verma   +2 more
doaj   +1 more source

Comparison of Auto‐Contouring Tools for Delineation of Normal Organs at Risk in Paediatric Patients Undergoing Radiotherapy

Journal of Medical Radiation Sciences, Volume 73, Issue S2, Page S62-S72, April 2026.
Contouring organs at risk (OARs) manually in paediatric patients undergoing cranial‐spinal radiation therapy (CSI) is a time‐consuming, labour‐intensive task. This study aims to assess the accuracy and clinical acceptability of auto‐contours produced by the Siemens DirectORGANS auto‐contouring software on paediatric patients receiving CSI treatment ...
Isabel Cant, Jonathan Sykes, Yolanda Surjan, Rachael Beldham‐Collins, Laura Murphy, John Fernandez, Alison Salkeld   +6 more
wiley   +1 more source

Supratentorial primary neuroectodermal tumor (PNET) inside the third ventricle in adult: an rare case report

Brazilian Neurosurgery, 2013
The PNET of CNS are considered malignant undifferentiated tumors, and it represents about 2,8% of all tumors found on infants and teenagers, more rarely found on adults.
Tiago de Paiva Cavalcante, Siegfried Pimenta Kuehnitzsch, George Santos dos Passos, José Eduardo Souza Dias Júnior, Tobias Engel Ayer Botrel, Emerson Oliveira Barbosa   +5 more
doaj   +1 more source

The Homeobox Genes: Classification, Regulation, Biological Functions, and Diseases

MedComm, Volume 7, Issue 4, April 2026.
Overview of the homeobox gene superfamily and its pathophysiological roles. The homeobox superfamily comprises several major classes, including ANTP, PRD, TALE, LIM, POU, and others. Among these, the HOX clusters (A–D) play critical roles in embryonic development specifically in conferring cellular identity, regulating morphogenesis, and guiding axial ...
Maedeh Dadzadi, Shahin Ramazi, Mona Darvazi, Sepideh Yoosefi, Melika Abbasi, Shirin Farsad   +5 more
wiley   +1 more source

Ewing Sarcoma of the Kidney: A Rare Entity

Case Reports in Radiology, 2014
Ewing sarcoma and primitive peripheral neuroectodermal tumor (PNET) are high-grade malignant tumors typically found in children and adolescents. These tumors belong to the family of small round cell tumors and are of neuroectodermal origin. Primary Ewing
Maria Fernanda Arruda Almeida, Madhavi Patnana, Brinda Rao Korivi, Neda Kalhor, Leonardo Marcal   +4 more
doaj   +1 more source

A rare case of primary Ewing's sarcoma presenting in the posterior nasal cavity with extension into the sphenoid sinus and a review of the literature

Otolaryngology Case Reports, 2018
Ewing's sarcomas/primitive neuroectodermal tumors (PNET) are a group of tumors characterized by small round cells that rarely affect the bone and soft tissues of the nasal cavities.
Koorosh Rahmani, Shokouh Taghipour zahir, Mohammad Baghi Yazdi, Mohammad-hossein Vahedian-Ardakani, Maryam Vajihinejad   +4 more
doaj   +1 more source

Multimodality treatment approach in management of primary peripheral primitive neuroectodermal tumor of the orbit

Indian Journal of Ophthalmology, 2009
Primitive neuroectodermal tumor is a small round cell malignancy which rarely involves the orbit. We report a case of a two-year old male child presenting as unilateral eccentric proptosis with extraconal and intraconal mass, diagnosed as primary ...
Kim Usha, Arora Vipul, Devanand J, Khazei Hadi   +3 more
doaj  

Peripheral primitive neuroendocrine tumor of the chest wall—A case report with pathological correlation

Radiology Case Reports, 2018
Primitive neuroectodermal tumor is a high-grade malignant tumor originating from the neural crest and neuroectoderm, which can be subdivided into central and peripheral categories.
Jidi Gao, MD, Erika Chow, BA, Aishatu Aloma, MD, Payal Gupta, MD   +3 more
doaj   +1 more source